Calling On All Experienced Kush Growers!

i need to hear about the yield and potency of the following strains:

Nirvana Master Kush
GH King's Kush
GH trainwreck
Barney's Violator Kush

take into consideration im growing sog, 450w hps, on advanced nutrients.

Cheers

nobody experienced with these popular strains??

bump